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분수: 분모 2자리 덧셈2분수8

1
28 76
+
21 76
=
49 76
2
21 15
+
53 15
=
74 15
3
53 21
+
33 21
=
86 21
4
33 45
+
69 45
=
102 45
33
+
69
=
34 15
5
69 34
+
92 34
=
161 34
6
92 52
+
58 52
=
150 52
92
+
58
=
75 26
7
58 48
+
93 48
=
151 48
8
93 84
+
34 84
=
127 84
9
34 64
+
49 64
=
83 64
10
49 29
+
85 29
=
134 29
11
85 46
+
59 46
=
144 46
85
+
59
=
72 23
12
59 97
+
71 97
=
130 97
13
71 76
+
47 76
=
118 76
71
+
47
=
59 38
14
47 21
+
83 21
=
130 21
15
83 91
+
48 91
=
131 91